934330781 has 2 divisors, whose sum is σ = 934330782. Its totient is φ = 934330780.

The previous prime is 934330777. The next prime is 934330801. The reversal of 934330781 is 187033439.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934219225 + 111556 = 30565^2 + 334^2 .

It is a cyclic number.

It is not a de Polignac number, because 934330781 - 2² = 934330777 is a prime.

It is a super-2 number, since 2×934330781² = 1745948016648139922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (934330721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467165390 + 467165391.

It is an arithmetic number, because the mean of its divisors is an integer number (467165391).

Almost surely, 2^934330781 is an apocalyptic number.

It is an amenable number.

934330781 is a deficient number, since it is larger than the sum of its proper divisors (1).

934330781 is an equidigital number, since it uses as much as digits as its factorization.

934330781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 934330781 is about 30566.8248432839. The cubic root of 934330781 is about 977.6128142983.

The spelling of 934330781 in words is "nine hundred thirty-four million, three hundred thirty thousand, seven hundred eighty-one".